Plastic Soda Bottle Lid Capsule

 by bfgreen
Featured
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A couple of months ago I stumbled upon a discussion board that talked about and showed a small, lightweight reusable container made out of the necks and lids of two plastic soda bottles.  I haven't been able to find that same post ever since, but remember enough about it to want to give it a shot for myself.

I started with two identical plastic soda bottles to make sure that they would match in size. I cut the necks of the bottles off using a small hacksaw making sure that I kept the large flange that would be used to glue the two necks together later.
 
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Step 1: Cut off the necks

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I used a vice to hold the bottles still while I cut through them. If you don't have a vice you can still do the same thing by hand,but be very careful and take your time.

Once I had cut off the neck of each bottle I used a flat file to smooth down the rough saw marks and left over plastic.  The idea is to remove all the rough edges until you have a flat surface level with the large flange as this will be where you will glue the two pieces together.
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handprints says: Mar 10, 2013. 3:20 PM
This is so cool! I am running to rescue stuff from our recycle bin!
airsoft master 25 says: Oct 15, 2012. 12:25 PM
I just melted the two ends together with a lighter
Schmidty16 says: Aug 8, 2012. 6:07 PM
here is mine that ive had for a while befor and after it is made out of a gaterraid bottle i am going to make an instructable on
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Tofu says: Dec 19, 2011. 8:05 AM
Not going to read all 107 comments; to see if someone already mentioned this or not; but this would be a great small geocaching log container.

Great 'ible!
Galonii in reply to TofuMar 3, 2012. 3:41 PM
They work great for geocaches! But instead of cutting the bottles at the neck and glueing them together we cut them down almost the the extra neck piece put some gorilla glue around the lip and snap another bottle cap to the other end, then I glue some of those super magnets inside, and there you go a perfect micro geocache thats water tight!
lime3D in reply to GaloniiJul 24, 2012. 10:44 AM
Why go through all that work? Just use an 8 oz water bottle they way it is, no modification necessary. (Except for the magnets.)

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bfgreen (author) in reply to TofuDec 20, 2011. 10:35 AM
Over 13,000 views and more than 100 comments - this was supposed to be kept between the few of us!
brownie4321 says: Jun 14, 2012. 1:34 AM
I have made this very item with one change. I cut a small section from the side of the bottle and glued it into the middle of the two sections thereby making a two sectioned container. I have several of them and use differing colored caps or plastic to differentiate at-a-glance. They can contain medications, spices, small parts. I have some to carry travel fishing tackle like weights and hooks. Very handy. Thanks for posting.
jedikid6777 says: Apr 15, 2012. 11:15 AM
is there an easier way to file please reply asap P.S im new on this site
Grimmy Grim in reply to jedikid6777May 20, 2012. 2:51 AM
Get a dremel tool or even a cheapie one.
mygunsbigger says: Apr 3, 2012. 8:24 AM
After makng mine, i wrapped the center portions with fishing line and added a few hooks, swivels and sinkers to make it useful if i ever wanna do some quick fishing! the container is already a bobber! Thanks for this
17hmr243 says: Feb 28, 2012. 8:54 PM
thanks ill have to use this now
DivaB says: Feb 4, 2012. 9:23 AM
We've always made a ton of these in our group, but we glue plastic in the middle section so that each side is divided. Each side holds a different spice for camp cooking.
bigfatton says: Jan 23, 2012. 4:33 PM
Awesome instructable, I've made 2 now and I think they're soo cool. My only concern is that I noticed on the krazy glue bottle, it says not to use it on Polyethylene, which isn't that what Soda Bottles are made of? PET? anyways, it worked regardless. Also, has anyone thought to use heat shrink tubing where the necks meet to ensure water-tightness? I've never really worked with the stuff, but it seemed like a neat idea.
freeza36 says: Jan 22, 2012. 11:07 AM
i am making one right now
sppeart says: Jan 15, 2012. 8:26 AM
Great idea!
I might put some useful return info inside and fasten one of these to my dog's collar. He's got an ID tag - but there would be room for so much more in a rolled-up note tucked into one of these little capsules. Phone numbers, email address(es), any medication he needs, 'Reward if found', a picture of the kids crying their little hearts out... whatever. :)
Ketzer says: Jan 10, 2012. 9:40 AM
http://www.capsandpreforms.com/

I'll just leave this here.
bfgreen (author) in reply to KetzerJan 10, 2012. 10:14 AM
That looks great, if I wanted to buy them by the 100,000. What an annoying website - no pricing?
The survival dude in reply to bfgreenJan 11, 2012. 5:00 AM
Yes the site is very,very annoying to get the price you have to email the company. stupid.
The survival dude says: Jan 10, 2012. 6:09 PM
Is there a way to make it longer say ... for matches??
TheMaker888 says: Jan 3, 2012. 9:20 PM
WaterProof i presume ?
bfgreen (author) in reply to TheMaker888Jan 10, 2012. 10:14 AM
You presume correctly sir, else what is the point?
Rainh2o says: Dec 27, 2011. 4:19 PM
Could use a dremel tool to cut the bottles as well...
bfgreen (author) in reply to Rainh2oJan 1, 2012. 5:24 PM
Who doesn't have a Dremel? Of course, it goes without saying :)
robot+more says: Dec 31, 2011. 3:29 PM
this is a cool instructable i did this but instead with two Gatorade bottles and it is about twice the size.
bfgreen (author) in reply to robot+moreJan 1, 2012. 5:21 PM
I love making these with Gatorade bottles.
rtnatividad says: Dec 28, 2011. 2:13 AM
If there's a hose attachment that's the right size and design to screw onto the threaded neck of a soda bottle this would be PERFECT for making my own water reservoir for my Super Soaker Bottle Blitz :O
bfgreen (author) in reply to rtnatividadJan 1, 2012. 5:18 PM
Oh man you've opened up a whole other use for this! Super Soakers, yes!
GuyWitheGlasses says: Dec 15, 2011. 8:54 AM
This would make a good water tight pill container or something. So many things this can do we haven't discovered yet! Maybe you can roll up your bills and make this a wallet. A water proof wallet...
silverassassin3 in reply to GuyWitheGlassesDec 25, 2011. 1:26 PM
it probabley would work as a wallet, but it would need to be bigger, because you would have to fold the bills pretty small. so i might just brain storm to think of a slightley bigger version, but still make it pocket sized.
numademan in reply to GuyWitheGlassesDec 19, 2011. 9:26 PM
Now you are talking. When I was young in Military Leadership school they had us practice brainstorming. It was along these lines of taking something strange and giving ideas on what to use it for. No laughing at each others ideas, just idea and write it down. It was just amazing how much we came up with with all of us giving ideas fast and furiously. A waterproof wallet is an excellent idea, easy to store as well.
bfgreen (author) in reply to GuyWitheGlassesDec 16, 2011. 10:35 AM
There's a whole sub-thread below about using this as a pill storage container. That's what I originally made mine for.
cmarsch says: Dec 23, 2011. 4:31 PM
Made my own and I use it for EVERYTHING.... that can fit in it. Thank you.
chevhunter says: Dec 21, 2011. 3:25 PM
that is a great idea. i'm thinkin i'm gonna be building one with the two compartments for muzzle loading. one side for extra primers and on the other side will be some bore butter. ( instead of taking the whole squeeze tube with.)
bfgreen (author) in reply to chevhunterDec 22, 2011. 11:42 AM
Thanks! If you're looking for a way to re-package creams or greasy items, check out one of my other Instructables on that topic: DIY Single-Use Antibiotic Ointment Blister Packs. It might help you with what you are looking to do :-)
numademan says: Dec 19, 2011. 9:19 PM
Now I didn't read all the comments, BUT you all know this type of plastic biodegradable and will melt away sooner or later. Just something to think about. It is a wonderful Idea with soooooo many ideas for its use. Just do not let it in the sun. Keep thinking!
Paracord Ninja says: Dec 15, 2011. 5:36 PM
or you could be awesome like me and use a miter saw
bfgreen (author) in reply to Paracord NinjaDec 16, 2011. 10:37 AM
Says the person with only 8.5 fingers :-) Seriously, you used a mitre saw? How did you clamp the bottle neck tight?
TabbyDeAnne in reply to bfgreenDec 16, 2011. 7:13 PM
Haha! I loved your reply! That was great. Loved this 'ible too! Thanks for sharing. 5 stars all the way!
bfgreen (author) in reply to TabbyDeAnneDec 17, 2011. 5:48 PM
Thanks. I like to have a little fun with the comments.
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